The spelling of the name "Willi Wolff" follows traditional English orthography, with the first name being spelled as W-I-L-L-I and the last name spelled as W-O-L-F-F. The IPA phonetic transcription for "Willi" would be /ˈwɪli/, with the stress on the first syllable. For "Wolff," the IPA transcription would be /wɒlf/ with a short "o" sound and the stress on the first syllable. Despite the common use of English spelling standards for this name, it is of German origin.